S/B Moulton Pkwy over Aliso Creek
GoodOrange County, California · 1.5 MI S El Toro RD · Structure no. 55C0221L
- Built
- 1987
- 38 years old
- Condition
- Good
- inspected June 2024
- Type
- Box Beam or Girders - Multiple
- Prestressed Concrete Continuous
- Length
- 200 ft
- 2 main spans
- Daily traffic
- 12,272
- 2022 count
- Owner
- City
- City or Municipal Highway Agency
About this bridge
S/B Moulton Pkwy over Aliso Creek is a prestressed concrete continuous box beam or girders - multiple carrying S/B Moulton Pkwy over Aliso Creek in Orange County, California. It was built in 1987, so it is 38 years old, younger than the California average of 54.8 years.
The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
It carries about 12,272 vehicles a day, roughly 1% of them trucks, projected to reach 26,696 by 2043. The structure is 200 ft (61 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).
Location
Open in Google MapsCondition and inspection
All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 7 Good | Some minor problems. |
| Substructure | 7 Good | Some minor problems. |
| Channel and channel protection | 8 Very Good | No problems noted. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was S/B Moulton Pkwy over Aliso Creek built?
It was built in 1987, making it 38 years old in 2025.
What condition is S/B Moulton Pkwy over Aliso Creek in?
The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in June 2024.
How much traffic does S/B Moulton Pkwy over Aliso Creek carry?
About 12,272 vehicles per day (2022 count), of which roughly 1% are trucks.
How long is S/B Moulton Pkwy over Aliso Creek?
The structure is 200 ft (61 m) long with a longest span of 96 ft (29.3 m) and a deck 52 ft wide.
Who owns S/B Moulton Pkwy over Aliso Creek?
It is owned by the City or Municipal Highway Agency.